[go: up one dir, main page]

FR915126A - Automatic conversation recorder, for automatic telephone devices - Google Patents

Automatic conversation recorder, for automatic telephone devices

Info

Publication number
FR915126A
FR915126A FR915126DA FR915126A FR 915126 A FR915126 A FR 915126A FR 915126D A FR915126D A FR 915126DA FR 915126 A FR915126 A FR 915126A
Authority
FR
France
Prior art keywords
automatic
telephone devices
recorder
conversation recorder
conversation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Carl Finsterwald
Alexander Zumbrunnen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR915126A publication Critical patent/FR915126A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR915126D 1944-09-28 1945-09-27 Automatic conversation recorder, for automatic telephone devices Expired FR915126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH915126X 1944-09-28

Publications (1)

Publication Number Publication Date
FR915126A true FR915126A (en) 1946-10-28

Family

ID=4547770

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915126D Expired FR915126A (en) 1944-09-28 1945-09-27 Automatic conversation recorder, for automatic telephone devices

Country Status (2)

Country Link
BE (1) BE460342A (en)
FR (1) FR915126A (en)

Also Published As

Publication number Publication date
BE460342A (en)

Similar Documents

Publication Publication Date Title
FR1158699A (en) Switch, especially for high frequencies
CH279787A (en) Selection device for telecommunications installation.
FR915126A (en) Automatic conversation recorder, for automatic telephone devices
CH289854A (en) Automatic telephone installation.
FR1077522A (en) Collet for assembly
FR1071552A (en) Headset, especially for telephone headset
DK81237C (en) Device for diverting ringing signals by telephone sets.
CH276280A (en) Automatic telecommunication installation.
FR913495A (en) Relay device, in particular for telephone systems
CH262449A (en) Automatic telephone system.
CH267799A (en) Small size relays, especially for telephony.
DK75605C (en) Device for automatic telephone systems.
FR927681A (en) Table for telephone devices
FR907914A (en) Switches for automatic telephony
DK76962C (en) Coupling device for automatic telephone systems.
FR905007A (en) Installation for duplex conversations
FR923001A (en) Connector device for automatic telephone
CA427675A (en) Automatic telephone system
CA431093A (en) Automatic telephone system
AU127306B2 (en) Party line ringing arrangements for automatic telephone exchange systems
FR952393A (en) Counter-distortion device for telephone repeaters
CA423458A (en) Telephone call transmitter device
FR911312A (en) Switching device for automatic telephony
DK75398C (en) Device for automatic telephone systems.
AU127308B2 (en) Automatic telephone systems